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Core i7-4940MX Extreme Edition - Intel
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Core i7-4940MX Extreme Edition
General Info
DesignerIntel
ManufacturerIntel
Model Numberi7-4940MX
Part NumberCW8064701474604
S-SpecSR1PP
MarketMobile
IntroductionJanuary 19, 2014 (announced)
January 19, 2014 (launched)
General Specs
FamilyCore i7EE
Seriesi7-4000
LockedNo
Frequency3100 MHz
Turbo FrequencyYes
Turbo Frequency4000 MHz (1 core),
3900 MHz (2 cores),
3800 MHz (3 cores),
3800 MHz (4 cores)
Bus typeDMI
Bus rate5 GT/s
Clock multiplier31
Microarchitecture
MicroarchitectureHaswell
PlatformShark Bay
Core NameHaswell
Core SteppingC0
Process22 nm
TechnologyCMOS
Word Size64 bit
Cores4
Threads8
Max CPUs1 (Uniprocessor)
Max Memory32 GiB
Electrical
TDP57 W
OP Temperature0 °C – 100 °C

The Core i7-4940MX Extreme Edition was a 64-bit quad-core high-end mobile microprocessor introduced by Intel in early 2014. This chip operated at 3 GHz with turbo mode of up to 4 GHz for a single core. This chip, which is based on the Haswell microarchitecture and manufactured in 22 nm process has a TDP of 57 W and supports up to 32 GiB of memory (DDR3).

Cache[edit]

Main article: Haswell's Cache
Cache Info [Edit Values]
L1I$ 128 KiB
0.125 MiB
131,072 B
1.220703e-4 GiB
4x32 KiB 8-way set associative (per core)
L1D$ 128 KiB
0.125 MiB
131,072 B
1.220703e-4 GiB
4x32 KiB 8-way set associative (per core)
L2$ 1 MiB
1,024 KiB
1,048,576 B
9.765625e-4 GiB
4x256 KiB 8-way set associative (per core)
L3$ 8 MiB
8,192 KiB
8,388,608 B
0.00781 GiB
16-way set associative (shared)

Graphics[edit]

Integrated Graphic Information
GPU Intel HD Graphics 4600
Displays 3
Frequency 400 MHz
0.4 GHz
400,000 KHz
Max frequency 1350 MHz
1.35 GHz
1,350,000 KHz
Max memory 1700 MiB
1,740,800 KiB
1,782,579,200 B
1.66 GiB
Output DisplayPort, Embedded DisplayPort, HDMI, VGA
DirectX 11.1
OpenGL 4.3
OpenCL 1.2
Vulkan 1.0

Memory controller[edit]

Integrated Memory Controller
Type DDR3-1333, DDR3-1600, DDR3L-1333, DDR3L-1600, DDR3RS-1333, DDR3RS-1600
Controllers 1
Channels 2
ECC Support No
Max bandwidth 25,600 MB/s
Max memory 32,768 MB

Expansions[edit]

[Edit/Modify Expansions Info]

ide icon.svg
Expansion Options
PCIe
Revision3.0
Max Lanes16
Configs1x16, 1x8 2x4

Features[edit]

[Edit/Modify Supported Features]

Cog-icon-grey.svg
Supported x86 Extensions & Processor Features
MMXMMX Extension
SSEStreaming SIMD Extensions
SSE2Streaming SIMD Extensions 2
SSE3Streaming SIMD Extensions 3
SSSE3Supplemental SSE3
AVXAdvanced Vector Extensions
AESAES Encryption Instructions
F16C16-bit Floating Point Conversion
NXNo-eXecute
HTHyper-Threading
TBT 2.0Turbo Boost Technology 2.0
EISTEnhanced SpeedStep Technology
TXTTrusted Execution Technology (SMX)
vProIntel vPro
EPTExtended Page Tables (SLAT)

See also[edit]

base frequency3,100 MHz (3.1 GHz, 3,100,000 kHz) +
bus rate5,000 MT/s (5 GT/s, 5,000,000 kT/s) +
bus typeDMI +
clock multiplier31 +
core count4 +
core nameHaswell +
core steppingC0 +
designerIntel +
familyCore i7EE +
first announcedJanuary 19, 2014 +
first launchedJanuary 19, 2014 +
full page nameintel/core i7ee/i7-4940mx +
has advanced vector extensionstrue +
has extended page tables supporttrue +
has featureintegrated gpu +, Advanced Vector Extensions +, Advanced Encryption Standard Instruction Set Extension +, Hyper-Threading Technology +, Turbo Boost Technology 2.0 +, Enhanced SpeedStep Technology +, Trusted Execution Technology +, Intel vPro Technology + and Extended Page Tables +
has intel enhanced speedstep technologytrue +
has intel trusted execution technologytrue +
has intel turbo boost technology 2 0true +
has intel vpro technologytrue +
has locked clock multiplierfalse +
has second level address translation supporttrue +
has simultaneous multithreadingtrue +
has x86 advanced encryption standard instruction set extensiontrue +
instance ofmicroprocessor +
integrated gpuIntel HD Graphics 4600 +
integrated gpu base frequency400 MHz (0.4 GHz, 400,000 KHz) +
integrated gpu max frequency1,350 MHz (1.35 GHz, 1,350,000 KHz) +
integrated gpu max memory1,700 MiB (1,740,800 KiB, 1,782,579,200 B, 1.66 GiB) +
l1d$ description8-way set associative +
l1d$ size0.125 MiB (128 KiB, 131,072 B, 1.220703e-4 GiB) +
l1i$ description8-way set associative +
l1i$ size0.125 MiB (128 KiB, 131,072 B, 1.220703e-4 GiB) +
l2$ description8-way set associative +
l2$ size1 MiB (1,024 KiB, 1,048,576 B, 9.765625e-4 GiB) +
l3$ description16-way set associative +
l3$ size8 MiB (8,192 KiB, 8,388,608 B, 0.00781 GiB) +
ldateJanuary 19, 2014 +
manufacturerIntel +
market segmentMobile +
max cpu count1 +
max memory32,768 MiB (33,554,432 KiB, 34,359,738,368 B, 32 GiB, 0.0313 TiB) +
max operating temperature100 °C +
max pcie lanes16 +
microarchitectureHaswell +
min operating temperature0 °C +
model numberi7-4940MX +
nameCore i7-4940MX Extreme Edition +
part numberCW8064701474604 +
platformShark Bay +
process22 nm (0.022 μm, 2.2e-5 mm) +
s-specSR1PP +
seriesi7-4000 +
tdp57 W (57,000 mW, 0.0764 hp, 0.057 kW) +
technologyCMOS +
thread count8 +
turbo frequency (1 core)4,000 MHz (4 GHz, 4,000,000 kHz) +
turbo frequency (2 cores)3,900 MHz (3.9 GHz, 3,900,000 kHz) +
turbo frequency (3 cores)3,800 MHz (3.8 GHz, 3,800,000 kHz) +
turbo frequency (4 cores)3,800 MHz (3.8 GHz, 3,800,000 kHz) +
word size64 bit (8 octets, 16 nibbles) +